Spot welding capacity: Suitable for 1/4 inch (6.5mm) and 5/16 inch (8mm) welds with a no-load speed of 1800rpm and working pressure of 6-8kg. Versatile application: Perfects for automotive collision repair, weld removal, and sheet metal repair tasks. Pneumatic spot welding drill: Designed to remove welding spots effectively without causing damage to the underlying steel plate. Adjustable depth control: Features an adjustable depth stop to ensure drilling is limited to the spot weld only, preserving the integrity of the panel underneath. Included components: Comes with a pneumatic spot welding drill, two 5/16-inch drill bits, two 1/4-inch drill bits, a wrench, a 360-degree connector, and a storage box.